| Re: ploop [message #45693 is a reply to message #45692] |
Thu, 29 March 2012 09:59  |
Kirill Korotaev
Messages: 137
Registered: January 2006
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Senior Member |
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It depends on what content is put inside. If VPS has lot's of images/video files - near 0% compression is possible.
If lots of text or programs - about 50% can be achieved.
Reality is somewhere in the middle typically.
On Mar 29, 2012, at 13:43 , <massimiliano.sciabica@kiiama.com> <massimiliano.sciabica@kiiama.com> wrote:
> Hi,
> has anyone tryed to compress the file that simulates the VPS hard disk?
> If so, what's the comressio achieved?
> Thanks
>
>
> On Thu, 29 Mar 2012 12:52:02 +0400, Kir Kolyshkin wrote:
>> On 03/28/2012 08:01 PM, Mark Olliver wrote:
>>>
>>> Hi,
>>>
>>> With ploop is it possible rather than using a file to use and lvm
>>> partition as the backend storage?
>>>
>>
>> What for? The whole purpose of ploop is to use a file as a storage.
>>
>> If your question is can a CT use a dedicated LVM partition then the
>> answer is yes, and it was quite possible before ploop.
>>
>>> Also plop is it possible for the guest to run it’s own lvm layer,
>>> with kvm currently you can assign each VE a kvm partition then as it
>>> boots up it runs its own lvm layer where the root partition is stored.
>>>
>>
>> My rough guess is yes you can (and again, ploop is not about it).
>>
>> You can give a CT an access to physical disk or disk partition or LVM
>> volume or volume group using vzctl set --devnodes and then manage it
>> from the inside. But I haven't tried it, because I don't see any
>> practical use for it.
>>
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